
Job Summary:
We are looking for a passionate Frontend Engineer with 2 to 4 years of experience to build high-quality, scalable, and user-friendly web applications. You will work closely with cross-functional teams to bring ideas to life using modern JavaScript frameworks, maintaining best-in-class UI standards, performance, and code quality.
Website: https://www.thealteroffice.com/about
Key Responsibilities:
- Develop and maintain modern, high-performance, and responsive web applications using JavaScript frameworks such as React, Vue, or Next.js.
- Translate product designs from tools like Figma into pixel-perfect, accessible, and consistent UI components.
- Build reusable components and contribute to shared design systems or UI libraries.
- Manage state effectively using tools like Redux, Zustand, or Context API.
- Ensure applications are responsive, cross-browser compatible, and adhere to accessibility standards (WCAG).
- Optimize frontend performance using tools like Lighthouse, Web Vitals, and browser profiling.
- Use TypeScript to write type-safe and scalable code.
- Write unit, integration, and E2E tests using frameworks like Jest, Testing Library, Cypress, or Playwright.
- Work with backend teams to design APIs and ensure efficient, secure frontend-backend integration.
- Implement frontend security best practices, such as XSS protection and CSP.
- Use tools like Tailwind CSS, Framer Motion, and Styled Components for rapid, modern UI development.
- Contribute to CI/CD workflows, version control using Git, and deploy applications using platforms like Vercel, Netlify, or Firebase.
- Participate in code reviews, share knowledge, and help drive technical excellence across the team.
Requirements:
- 2 to 4 years of experience building and shipping frontend applications in a professional setting.
- Proficiency in JavaScript (ES6+), HTML5, and CSS3, with a strong understanding of modern frontend architecture.
- Hands-on experience with at least one JavaScript framework/library (React preferred).
- Strong knowledge of TypeScript and state management tools.
- Solid understanding of UI/UX best practices, including responsive design, performance, and accessibility.
- Experience with testing methodologies and automation tools.
- Familiarity with design systems, component libraries, and modern build/deployment tools (Webpack, Vite, Vercel, etc.).
- Comfortable working in agile teams, collaborating with designers, product managers, and backend engineers.

About The Alter Office
About
About Us:
The Alter Office is a dynamic product-building and service-providing company with a diverse portfolio that includes innovative social apps, immersive virtual worlds, unique gaming experiences, Ad-tech and SaaS-based applications. We blend product innovation with comprehensive service solutions, driven by creativity and a quest for excellence. We are seeking passionate individuals eager to contribute to our diverse team.
Our Culture:
At The Alter Office, we promote a fun, collaborative work environment where complex problems are tackled and innovative solutions are celebrated. We encourage everyone to collaborate freely with colleagues at all levels. We seek professionals who align with our values, are driven by our vision, and are passionate about making a significant impact through their work.
Tech stack
Candid answers by the company
The Alter Office is a dynamic product-building and service-providing company with a diverse portfolio that includes innovative social apps, immersive virtual worlds, unique gaming experiences, Ad-tech and SaaS-based applications. We blend product innovation with comprehensive service solutions, driven by creativity and a quest for excellence.
Similar jobs
About Us:
Docsumo is Document AI software that helps enterprises capture data and analyze customer documents. We convert documents such as invoices, ID cards, and bank statements into actionable data. We work with clients such as PayU, Arbor and Hitachi and are backed by Sequoia, Barclays, Techstars, and Better Capital.
Responsibilities:
- You will be responsible for overseeing the development of Docsumo React webapp.
- You will be working closely with the founders and lead the frontend development
- Serve as a thought leader and mentor on technical, architectural, design and related issues
- You will be responsible to provide oversight, accountability, and leadership for technical decisions.
- You will be designing and building modules in React within the Docsumo webapp.
- Own and Implement the features using the technology stack that we have in place while bringing in flavours of latest but proven trends and methods
- Contribute to Product and Design ideas and Implement them as your own product. We value everyone’s inputs
- Work with our hiring team to hire amazing engineers who will expand the Docsumo culture and product
Skills:
- At least 6+ years years experience building React webapps
- Excellent command over React, redux, javascripts, HTML5 and CSS
- Provided effective team management and mentoring for over 3+ years to foster professional growth and drive team success
- Demonstrated ability to build 0-1 product from using React.
- Demonstrated ability of managing frontend engineers
- Proven skills in developing a production level end to end UI application on their own
- Familiarity with Version Control tools, deployment, cloud services and CI/CD
- Must be self-motivated, flexible, collaborative, with an eagerness to learn
- Comfortable working in an Agile work environment with an incredibly fast pace and a large degree of independence.
Benefits:
- Enjoy the flexibility of a hybrid working model, allowing for a balanced work-life integration.
- Access comprehensive insurance coverage to safeguard your health and well-being.
- Participate in our stock options program to share in the company's success and future growth.
Role: UI Developer (ReactJs Developer)
Experience: 1.5 - 2.5 Years
Qualification: BE (IT/ Computer), B.Tech., M.Tech., MCA.
Primary Skills (Must Have):
· 1.5 - 2.5 years of experience in web UI development
· Hands-on experience in developing responsive design using ReactJs,HTML 5 + CSS3, jQuery
· Bootstrap 3 and other JavaScript Frameworks
· Worked on SCSS and LESS
· Worked on UI integration, collaborate with the design team to define the UI architecture, using Web design best practices
· Knowledge of Material design framework Good communication and interpersonal skills
Additional skills/good to have:
· Hands-on experience in developing a web-based solution using the latest technologies covering React.Js Angular, Angularjs, jQuery, JavaScript, HTML5 technology (CSS3, Compass, etc.), object-oriented javascript and MVC js frameworks like Extjs/angular/backbone
· Bootstrap 4 WCAG standards (AAA) W3C validator BEM standards Table structure (Mailer)
· Ability to work independently, good communication skills have experience in working on complex and medium to large projects.
· Good understanding of SDLC and flair to follow the processes.
· An understanding of the fundamentals in object-oriented development, UML and Design Patterns
· Experience building complex web apps that have been successfully delivered to customers
· Exceptional analytical abilities, creativity, and attention to detail
· Good team player who is a self-starter and well organized
· Good expertise, good in technical analysis/debugging problems/issues,
· Experience in designing and architecting medium to complex systems, well versed with design standards & framework
· Experience in working on multiple technologies and complex projects
· Knowledge in Design Patterns.
· Mobile development experience would be an added advantage.
· Functional and Technical Specs documentation
· Experience in Agile development is preferable.We are looking for a good JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities
- Developing new user-facing features using React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
Skills:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (Redux)
- Familiarity with newer specifications of ECMAScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
React js Developer
Exp – 6 + yrs
Notice period- only Immediate
Location: Bangalore (Jigni and Whitefield)
19 LPA
JD: React JS with Redux and unit testing frame work
Hybrid – 3 Days working
We are looking for a react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly responsive user interface components using react concepts.
- Writing application interface codes using JavaScript following react.js workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates.
- Deep knowledge of Angular practices and commonly used modules based on extensive work experience
- Proficiency with JavaScript and HTML5
- Extensive knowledge of CSS3 and JS methods for providing performance visual effects and keeping the frame rate above 30fps at all times
- Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
- Creating custom, general use modules and components which extend the elements and modules of core Angular
- Ability to understand business requirements and translate them into technical requirements
- A team player, fast learner with good verbal and written communication skills
Experience Level: 5 to 8 Years
Job Location: Hyderabad
Skills required
Good at Angular 4.X
Good at JavaScript, JSON
Good at HTML, CSS, Bootstrap
Aware of Karma tool for testing
Aware of Material Design
Aware of Kendo UI
Good At communication
Aware Agile, JIRA and GIT
Regards,
Tetrasoft India Pvt Ltd!
Stay home and Stay safe











